MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 12a12b2c2c7f52bac033f9583406472ead553cf92acddfe0009e0a2195e0fcf3. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Threat unknown


Vendor detections: 13


Intelligence 13 IOCs YARA 2 File information Comments 1

SHA256 hash: 12a12b2c2c7f52bac033f9583406472ead553cf92acddfe0009e0a2195e0fcf3
SHA3-384 hash: 8136bd59183f9932d6bd28f1cb468712ee07bdc88e8cb258c07c1e15d7310f33b138f29029e1ed5591ee8eef394a12a6
SHA1 hash: deade6e26c3c16bbacebe73788337205fd1d982e
MD5 hash: 39c47863ba1127bb0f46600ac15e2349
humanhash: avocado-arkansas-uncle-south
File name:39c47863ba1127bb0f46600ac15e2349
Download: download sample
File size:41'826 bytes
First seen:2023-07-10 11:16:36 UTC
Last seen:2023-07-10 11:50:48 UTC
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 768:BFx0XaIsnPRIa4fwJMqprSXGUQusSJLz/xs0xUNzkQ/:Bf0Xvx3EMqprS2UQu3JLi0xIb
TLSH T10813294EE79F02658F410376271B0E8996BDB23DB35150B1386C837433E9C7E46A66BC
TrID 71.4% (.PZ2) Poser pose (12500/1/4)
28.5% (.RTF) Rich Text Format (5000/1)
Reporter zbetcheckin
Tags:CVE-2017-11882 rtf

Intelligence


File Origin
# of uploads :
2
# of downloads :
100
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
39c47863ba1127bb0f46600ac15e2349
Verdict:
Malicious activity
Analysis date:
2023-07-10 11:19:59 UTC
Tags:
exploit cve-2017-11882 loader agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Searching for synchronization primitives
Launching a process
Creating a window
Creating a file in the %AppData% directory
Сreating synchronization primitives
Creating a file
Forced shutdown of a system process
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Unauthorized injection to a system process
Result
Verdict:
Malicious
File Type:
RTF File
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control embedequation exploit greyware lolbin packed shellcode
Result
Verdict:
MALICIOUS
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
72 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Behaviour
Behavior Graph:
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2023-07-10 11:17:05 UTC
File Type:
Document
Extracted files:
4
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:INDICATOR_RTF_MalVer_Objects
Author:ditekSHen
Description:Detects RTF documents with non-standard version and embeding one of the object mostly observed in exploit documents.
Rule name:SUSP_INDICATOR_RTF_MalVer_Objects
Author:ditekSHen
Description:Detects RTF documents with non-standard version and embedding one of the object mostly observed in exploit (e.g. CVE-2017-11882) documents.
Reference:https://github.com/ditekshen/detection

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Rich Text Format (RTF) rtf 12a12b2c2c7f52bac033f9583406472ead553cf92acddfe0009e0a2195e0fcf3

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-07-10 11:16:37 UTC

url : hxxp://87.121.221.212/haitianzx.doc